Human beings are always full of endless curiosity about things that cannot see the truth with their own eyes, especially about themselves. Below is an anatomical picture of Leonardo da Vinci’s imaginary creation in the 15th century.

Human beings are always full of endless curiosity about things that cannot see the truth with their own…
Human beings are always full of endless curiosity about things that cannot see the truth with their own eyes, especially about themselves. Below is an anatomical picture of Leonardo da Vinci’s imaginary creation in the 15th century.